/*
 * Copyright (c) 2002-2009 Moxie Marlinspike
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
 * USA
 */
#define BOOST_SYSTEM_NO_DEPRECATED

#ifndef __HTTP_BRIDGE_H__
#define __HTTP_BRIDGE_H__

#define READING_HEADERS 1
#define SHUFFLING_DATA  2

#define BUFFER_SIZE 4096

#include <boost/asio.hpp>
#include <boost/bind.hpp>
#include <string>

#include "HttpHeaders.hpp"
#include "../Bridge.hpp"

using namespace boost::asio;

class HttpBridgeListener;

class HttpBridge : public Bridge
{

public:

	static ptr create(boost::shared_ptr<ip::tcp::socket> clientSocket,
	                  io_service& io_service,
	                  HttpBridgeListener *listener)
	{
		return ptr(new HttpBridge(clientSocket, io_service, listener));
	}

	virtual ip::tcp::socket& getClientSocket()
	{
		return *clientSocket;
	}

	virtual ip::tcp::socket& getServerSocket()
	{
		return serverSocket;
	}

	virtual void shuttle();
	virtual void close();

protected:
	virtual void processClientInput(char *buffer, int length);

private:
	int closed;
	io_service& io_service_;
	boost::shared_ptr<ip::tcp::socket> clientSocket;
	ip::tcp::socket serverSocket;

	unsigned int state;
	HttpHeaders headers;
	HttpBridgeListener *listener;

	HttpBridge(boost::shared_ptr<ip::tcp::socket> clientSocket,
	           io_service& io_service, HttpBridgeListener *listener)
		: clientSocket(clientSocket),
		  serverSocket(io_service),
		  io_service_(io_service),
		  state(READING_HEADERS)
	{
		this->listener = listener;
	}

	void setFinishedWithHeaders();
};

class HttpBridgeListener
{
public:
	virtual void setUserAgentFor(ip::address &address, std::string &userAgent) = 0;
};

#endif
